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Ayres is ten years older than her sister, Isay. In four years, she will be twice as old as her sister. What will be the equation?

Solution

Ayres is ten years older than her sister, Isay. In four years, she will be twice as old as her sister. What will be the equation?

Solution

Ayres^{'} s age is : 16

Isay^{'} s age is : 6

Solution steps

Translate the problem into an equation:

x + 4 = 2 (x - 10 + 4)

Solve for

x, x + 4 = 2 (x - 10 + 4) : x = 16

Find age

Ayres^{'} s age is : 16

Isay^{'} s age is : 6

Popular Examples

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